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Abstract:
本文对Fe2-xYx(MoO4)3(x=0.0,0.2,0.4,0.5,0.6,0.8,1.0,1.2,1.4,1.6,1.8,2.0)系列材料的相变及负膨胀性能进行了研究.通过对Fe2-xYx( MoO4)3系列材料的XRD和拉曼谱的分析发现,当x≤0.4时Fe2-xYxMo3O12在常温下是单斜结构;当x≥0.5时变为正交结构,即提高y3+的含量可有效地降低Fe2-xYx(MoO4)3从单斜相转变为正交相的相变温度.同时随着Y3+含量的增加,正交相Fe2-xYx(MoO4)3在释放全部结晶水之后的膨胀系数逐渐减小,当x=1.0时为近零膨胀材料;x<1.0时为膨胀系数较低的材料;x>1.0时为负膨胀材料.
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Source :
光散射学报
ISSN: 1004-5929
Year: 2011
Issue: 4
Volume: 23
Page: 346-351
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 7
Chinese Cited Count:
30 Days PV: 9
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